I think it's pretty clear that the internet as a whole has not had a strong notion of identity. And identity means, 'Who am I?' Fundamentally, what Facebook has done has built a way to figure out who people are...

The best thing that would happen is for Facebook to open up its data. Failing that, there are other ways to get that information.

There is a science to managing high tech businesses, and it needs to be respected. One of them is that in technology businesses, leadership is temporary. It's constantly recycling. So the asset has limited lifetime.

Find a way to say yes to things.

Google is more than a business. Google is a belief system. And we believe passionately in the open Internet model.

It's a bug that cars were invented before computers.

The Internet is fast becoming a cesspool where false information thrives.